gagomes

Get a list of nodes and their runlists matching a given recipe

knife exec -E 'nodes.find("recipe:*elasticsearch*") { |n| puts "hostname: #{n.name} runlist: #{n.run_list}" }'

gagomes

MySQL

list all tables from all databases (Taken from a SO post)

SELECT table_name, table_schema AS dbname FROM INFORMATION_SCHEMA.TABLES

gagomes

#!/usr/bin/env python
#
# Harsh translation from C to Python, with minimal python idioms.
# Original code by Brian Kernighan in chapter 1 of Beautiful Code
#

def match(regstr, s):
    '''match: search for regexp anywhere in text'''
    if regstr.startswith('^'):
 return matchhere(regstr[1:], s)

gagomes

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <elf.h>

gagomes

#!/usr/bin/python
# I used this script to scan pictures in a 15 year old 
# windows hard-drive and copy them to a specific folder with a name
# based on an increasing sequence. It also seemed to pick multiple 
# formats that weren't exactly the type of pictures I would care about,
# so I filtered for those (icons, bitmaps, etc)
# 

import sys
import os

gagomes

#!/bin/bash

set -ex

source credentials.sh

export JENKINS_URL=http://127.0.0.1:8080
export NODE_NAME=foobar3

export JENKINS_CRUMB=$(curl --cookie-jar jenkins-cookies -s -X GET $JENKINS_URL/crumbIssuer/api/json --user ${JENKINS_USERNAME}:${JENKINS_PASSWORD}  | jq -r '.crumb')

gagomes

def container_id(pid)
  cgroup_file = "/proc/#{pid}/cgroup"
  return nil unless File.exist?(cgroup_file)

  container_id = File.foreach(cgroup_file)
    .map(&:strip)
    .select { |cg| cg.match?(/docker/) }.first
  container_id.split('/').last
end

gagomes

#!/usr/bin/env python3
import sys
import argparse
from collections import defaultdict
from datetime import datetime,timedelta
import requests
import logging
import traceback

class JenkinsJobProfiler(object):